2020, leaving Frederick with no freight rail service. The line is now exclusively used by MARC passenger rail service. MARC commuter service In December 2001, passenger trains returned to Frederick with the launch of MARC Brunswick Line Frederick branch service. The Maryland Transit Administration funded upgrades to the Frederick Branch and to of the Old Main Line between Frederick Junction and Point of Rocks, Maryland. MDOT purchased the Frederick Branch from CSX and realigned the wye track at Frederick Junction. Two new passenger stations were constructed: Frederick Station near the branch's original terminus at South Street, and Monocacy Station, which is behind a shopping center near Frederick Junction. A small yard with capacity for three train sets was also constructed along Reichs Ford Road. References Dilts, James D. (1996), The Great Road: The Building of the Baltimore and Ohio, the Nation's First Railroad, 1828-1853, Palo Alto, CA: Stanford University Press, External links B&O Old Main Line Modern day photo tour - TrainWeb.org Baltimore and Ohio Railroad lines Frederick, Maryland Rail infrastructure in Maryland Railway lines opened in 1831 1831 establishments in Maryland